52853490 has 48 divisors (see below), whose sum is σ = 138661848. Its totient is φ = 13966848.

The previous prime is 52853483. The next prime is 52853491. The reversal of 52853490 is 9435825.

It can be written as a sum of positive squares in 4 ways, for example, as 25070049 + 27783441 = 5007^2 + 5271^2 .

It is not an unprimeable number, because it can be changed into a prime (52853491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7572 + ... + 12768.

Almost surely, 2^52853490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52853490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69330924).

52853490 is an abundant number, since it is smaller than the sum of its proper divisors (85808358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52853490 is a wasteful number, since it uses less digits than its factorization.

52853490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5323 (or 5320 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 52853490 is about 7270.0405776034. The cubic root of 52853490 is about 375.2821343473.

The spelling of 52853490 in words is "fifty-two million, eight hundred fifty-three thousand, four hundred ninety".